1
2 #ifndef _IPV6_STUBS_H
3 #define _IPV6_STUBS_H
4
5 #include <linux/in6.h>
6 #include <linux/netdevice.h>
7 #include <linux/skbuff.h>
8 #include <net/dst.h>
9 #include <net/flow.h>
10 #include <net/neighbour.h>
11 #include <net/sock.h>
12
13
14 struct fib6_info;
15 struct fib6_nh;
16 struct fib6_config;
17 struct fib6_result;
18
19
20
21
22 struct ipv6_stub {
23 int (*ipv6_sock_mc_join)(struct sock *sk, int ifindex,
24 const struct in6_addr *addr);
25 int (*ipv6_sock_mc_drop)(struct sock *sk, int ifindex,
26 const struct in6_addr *addr);
27 struct dst_entry *(*ipv6_dst_lookup_flow)(struct net *net,
28 const struct sock *sk,
29 struct flowi6 *fl6,
30 const struct in6_addr *final_dst);
31 int (*ipv6_route_input)(struct sk_buff *skb);
32
33 struct fib6_table *(*fib6_get_table)(struct net *net, u32 id);
34 int (*fib6_lookup)(struct net *net, int oif, struct flowi6 *fl6,
35 struct fib6_result *res, int flags);
36 int (*fib6_table_lookup)(struct net *net, struct fib6_table *table,
37 int oif, struct flowi6 *fl6,
38 struct fib6_result *res, int flags);
39 void (*fib6_select_path)(const struct net *net, struct fib6_result *res,
40 struct flowi6 *fl6, int oif, bool oif_match,
41 const struct sk_buff *skb, int strict);
42 u32 (*ip6_mtu_from_fib6)(const struct fib6_result *res,
43 const struct in6_addr *daddr,
44 const struct in6_addr *saddr);
45
46 int (*fib6_nh_init)(struct net *net, struct fib6_nh *fib6_nh,
47 struct fib6_config *cfg, gfp_t gfp_flags,
48 struct netlink_ext_ack *extack);
49 void (*fib6_nh_release)(struct fib6_nh *fib6_nh);
50 void (*fib6_update_sernum)(struct net *net, struct fib6_info *rt);
51 int (*ip6_del_rt)(struct net *net, struct fib6_info *rt);
52 void (*fib6_rt_update)(struct net *net, struct fib6_info *rt,
53 struct nl_info *info);
54
55 void (*udpv6_encap_enable)(void);
56 void (*ndisc_send_na)(struct net_device *dev, const struct in6_addr *daddr,
57 const struct in6_addr *solicited_addr,
58 bool router, bool solicited, bool override, bool inc_opt);
59 struct neigh_table *nd_tbl;
60 };
61 extern const struct ipv6_stub *ipv6_stub __read_mostly;
62
63
64 struct ipv6_bpf_stub {
65 int (*inet6_bind)(struct sock *sk, struct sockaddr *uaddr, int addr_len,
66 bool force_bind_address_no_port, bool with_lock);
67 struct sock *(*udp6_lib_lookup)(struct net *net,
68 const struct in6_addr *saddr, __be16 sport,
69 const struct in6_addr *daddr, __be16 dport,
70 int dif, int sdif, struct udp_table *tbl,
71 struct sk_buff *skb);
72 };
73 extern const struct ipv6_bpf_stub *ipv6_bpf_stub __read_mostly;
74
75 #endif